Career Profile

With a foundation as a system administrator, I have consistently engaged in programming throughout my career, amassing substantial experience. I have worked with a variety of organizations, from small startups (including founding my own) to large enterprises, continually honing my skills along the way.

I am passionate about open source and stay up-to-date with the latest industry trends. My background in system administration has enabled me to seamlessly transition into the DevOps movement, making me an effective bridge between development and operations teams.

Experiences

Senior Software Engineer

2022 - 2024
Form3

At Form3, I was responsible for maintaining and optimizing parts of the payment platform. My role encompassed DevOps tasks, debugging, and programming to ensure the platform’s efficiency and reliability. Additionally, I participated in an on-call rotation, providing crucial support to address and resolve any urgent issues that arose.

Involved techstack:

  • Docker
  • Go
  • AWS
  • Nats.io
  • IBMMQ
  • Kubernetes
  • Github Actions

Software Developer

2021 - 2022
LYNQTECH GmbH, Hannover

At Lynqtech, my primary responsibilities involved maintaining existing microservices as well as planning and developing new ones. I focused on ensuring the reliability and scalability of our services while also implementing innovative solutions to meet evolving business needs.

Involved techstack:

  • Docker
  • Go
  • Kubernetes
  • drone.io
  • Redis
  • PostgreSQL
  • AWS

Software Developer

2019 - 2021
4Com GmbH & Co. KG, Hannover

At 4Com, I was a member of the Platform Services Team, responsible for delivering core functionalities to support other teams within the company. My duties included consulting with internal stakeholders to understand their needs, developing and maintaining essential backend services, and ensuring seamless integration and high performance across various applications. I also provided ongoing support to guarantee the stability and scalability of the platform, facilitating the smooth operation of all dependent services.

Involved techstack:

  • Docker
  • Go
  • Nats.io
  • Docker swarm
  • Traefik
  • GoCD
  • Redis
  • Vue.js
  • MySQL
  • MongoDB

Software Engineer

2017 - 2019
mediaTest digital GmbH, Hannover

At mediaTest digital, I was responsible for implementing a microservice architecture and providing support to the operations team. My work ensured the smooth integration and functionality of various services within the platform, enhancing overall system efficiency and reliability.

Involved techstack:

  • Docker
  • Go
  • RabbitMQ
  • Docker swarm
  • Traefik
  • Gitlab CI
  • Redis
  • Python
  • Frida
  • MySQL
  • MongoDB

Developer

2016 - 2017
Smartexposé GmbH, Berlin

At SmartExpose, I was responsible for developing RESTful APIs and customer websites. My primary focus was on designing and building user-friendly and visually appealing websites that met customer requirements and provided an excellent user experience.

Involved techstack:

  • PHP (CakePHP 3.x)
  • Gitlab CI
  • Python
  • MySQL
  • memcached

Founder & Developer

2011 - 2016
numeric lab GbR, Hannover

At numeric lab, I was responsible for consulting with clients to understand their specific needs and requirements. I programmed applications tailored to meet those needs, ensuring they were efficient, reliable, and user-friendly. Additionally, I supported clients throughout the entire project lifecycle, from initial planning and development to post-launch support and maintenance.

Involved techstack:

  • Docker
  • Gitlab CI
  • PHP (laravel, CakePHP 2.x)
  • MySQL
  • Wordpress
  • Contao

Developer

2012 - 2013
Linde Welding GmbH, Leuna

Maintenance and development of an e-commerce plattform.

Involved techstack:

  • PHP (CakePHP 2.x)
  • MySQL

IT Assistant

2010 - 2011
Avilix Group AG, Hannover

Internal System Administrator for an Apple / Windows environment. Development of intranet applications.

Involved techstack:

  • PHP (CakePHP 2.x)
  • MySQL

Webdeveloper

2009 - 2014
evoworkx media GmbH, Frankfurt am Main

Development of e-commerce plattforms including an integrated PIM system.

Involved techstack:

  • PHP (CakePHP 2.x, CodeIgniter)
  • MySQL

Projects

domainutils - Go package to handle domains. One of my first packages written in Go to actually learn the language.
httputils - Go package to handle http responses.

Skills & Proficiency

Go

python

Java

php

Laravel

CakePHP 3

CakePHP 1.x & 2.x

Javascript

Angular2

Vue.js

HTML5 & CSS

Linux

Docker (incl. Docker swarm)

Traefik

nginx

Gitlab & Gitlab-CI

Ansible

MySQL

PostgreSQL

MongoDB

git